cc: Remove "SwapBuffers" naming from LayerTreeHostSingleThreadClient

ash/wm/window_animations.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/wm/window_animations.h"
 
 #include <math.h>
 #include <algorithm>
 #include <utility>
 #include <vector>
@@ skipping 231 matching lines @@
     case wm::WINDOW_VISIBILITY_ANIMATION_TYPE_BRIGHTNESS_GRAYSCALE:
       AnimateHideWindow_BrightnessGrayscale(window);
       return true;
     default:
       NOTREACHED();
       return false;
   }
 }
 
 // Observer for a window cross-fade animation. If either the window closes or
-// the layer's animation completes or compositing is aborted due to GPU crash,
-// it deletes the layer and removes itself as an observer.
-class CrossFadeObserver : public ui::CompositorObserver,
-                          public aura::WindowObserver,
+// the layer's animation completes, it deletes the layer and removes itself as
+// an observer.
+class CrossFadeObserver : public aura::WindowObserver,
                           public ui::ImplicitAnimationObserver {
  public:
   // Observes |window| for destruction, but does not take ownership.
   // Takes ownership of |layer| and its child layers.
   CrossFadeObserver(aura::Window* window,
                     std::unique_ptr<ui::LayerTreeOwner> layer_owner)
       : window_(window), layer_owner_(std::move(layer_owner)) {
     window_->AddObserver(this);
-    layer_owner_->root()->GetCompositor()->AddObserver(this);
   }
   ~CrossFadeObserver() override {
     window_->RemoveObserver(this);
     window_ = NULL;
-    layer_owner_->root()->GetCompositor()->RemoveObserver(this);
   }
 
-  // ui::CompositorObserver overrides:
-  void OnCompositingDidCommit(ui::Compositor* compositor) override {}
-  void OnCompositingStarted(ui::Compositor* compositor,
-                            base::TimeTicks start_time) override {}
-  void OnCompositingEnded(ui::Compositor* compositor) override {}
-  void OnCompositingAborted(ui::Compositor* compositor) override {
-    // Triggers OnImplicitAnimationsCompleted() to be called and deletes us.
-    layer_owner_->root()->GetAnimator()->StopAnimating();
-  }
-  void OnCompositingLockStateChanged(ui::Compositor* compositor) override {}
-  void OnCompositingShuttingDown(ui::Compositor* compositor) override {}
-
   // aura::WindowObserver overrides:
   void OnWindowDestroying(aura::Window* window) override {
     // Triggers OnImplicitAnimationsCompleted() to be called and deletes us.
     layer_owner_->root()->GetAnimator()->StopAnimating();
   }
   void OnWindowRemovingFromRootWindow(aura::Window* window,
                                       aura::Window* new_root) override {
     layer_owner_->root()->GetAnimator()->StopAnimating();
   }
 
@@ skipping 172 matching lines @@
     case SHELF_ALIGNMENT_LEFT:
       return gfx::Rect(work_area.x(), work_area.y(), 0, 0);
     case SHELF_ALIGNMENT_RIGHT:
       return gfx::Rect(work_area.right(), work_area.y(), 0, 0);
   }
   NOTREACHED();
   return gfx::Rect();
 }
 
 }  // namespace ash